Most top defenses don't participate much in the preseason to avoid injury, but Josh Jacobs has started and played several series

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and for 30 yards (6.0 YPC) he rushed five times and 14. In the yards he added two catches.

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Jacobs, who played multiple series in the game, surprised many, but Raiders coach Josh McDaniels said he wanted his running back to get his feet wet.

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"When you get tackled and hit, there are a lot of things you can't really simulate. I think everyone had the ball tonight. I think everyone caught the ball or had to tackle it

It's not uncommon for key defenders to take action right away: Steelers' Nagy Harris snapped 18 times in last year's HOF game, but Jacobs' situation raised eyebrows.

Turning down options for his fifth-year defense and battling fellow backfielders for offensive snaps from McDaniels

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Kenyan veterans Drake and Amir Abdullah also took action on Thursday. Vegas looked good on the ground as the Raiders' offensive line provided some big holes against the Jags' defense,

which housed most of the best front-line players, going for 159 total yards and 3 TDs on 33 tries.

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Fourth-round rookie Zamir White shone in the preseason opener, showing he was capable of breaking tackles and qualified for a sizeable role right from the start.

White made 11 innings, including a 14-yard length. 52 yards on a carry.

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"He did it in Georgia. He ran hard with the ball in his hands and it's hard to deal with," McDaniels said of White on the team's official website.

White attended training camp with the opportunity to skim snaps. A strong back that fits McDaniel's mold. 

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The biggest problem for rookies is how to handle the passing game. He caught three of his four targets for 23 yards on Thursday night.